Microscopy Primer: All about microscopy, fluorescence etc.
EAMNET: Teaching modules on microscopy techniques, teaching courses and downloads of microscopy related software packages
IHC world: Methods and Techniques For Histologists and Immunohistochemists
Microscopy & Imaging Resources on the internet: Links to web sites covering optical microscopy, electron microscopy and digital imaging
Photoshop Tips: Help with merging images in Adobe Photoshop
Spectra of fluorescent dye @ MCB Arizona
Fluorescence Spectra Viewer @ Invitrogen